Home / 2,760.56-3,808.50-1,581.02

Finding the Fourth Proportional to 2,760.56, 3,808.50 and 1,581.02

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Solution

The fourth proportional to 2,760.56, 3,808.50 and 1,581.02 is: 2,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.56 : 3,808.50 = 1,581.02 : x
  2. Step 2: Convert to fraction form
    2,760.56/3,808.50 = 1,581.02/x
  3. Step 3: Cross multiply
    2,760.56x = 3,808.50 × 1,581.02
  4. Step 4: Simplify right side
    2,760.56x = 6,021,314.67
  5. Step 5: Solve for x
    x = 6,021,314.67/2,760.56
  6. Step 6: Final answer
    x = 2,181.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.